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Transferring Electrochemical CO2 Reduction from Semi-Batch into Continuous Operation Mode Using Gas Diffusion Electrodes

Kopljar, Dennis and Wagner, Norbert and Klemm, Elias (2016) Transferring Electrochemical CO2 Reduction from Semi-Batch into Continuous Operation Mode Using Gas Diffusion Electrodes. Chemical Engineering and Technology, 39 (11), pp. 2042-2050. Wiley. DOI: 10.1002/ceat.201600198 ISSN 0930-7516

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Abstract

The electrochemical reduction of C02 is a promising method for its conversion which still suffers from important challenges that have to be solved before indus­ trial realization becomes attractive. The optimization of gas diffusion electrodes is described with respect to catalyst dispersion and mass transport limitations allowing solubility issues to be circumvented and current densities to be increased to industrially relevant values. The transfer of the promising results from semi-batch experiments into continuous mode of operation is demonstrated, and it is indi­cated how the energetic efficiency can be significantly improved by the choice of electrolyte, in terms of concentration and type. Thereby ohmic losses can be decreased and the intrinsic activity be improved.

Item URL in elib:https://elib.dlr.de/109463/
Document Type:Article
Additional Information:https://onlinelibrary.wiley.com/doi/abs/10.1002/ceat.201600198
Title:Transferring Electrochemical CO2 Reduction from Semi-Batch into Continuous Operation Mode Using Gas Diffusion Electrodes
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kopljar, DennisUni StuttgartUNSPECIFIED
Wagner, Norbertnorbert.wagner (at) dlr.deUNSPECIFIED
Klemm, Eliaselias.klemm (at) itc.uni-stuttgart.deUNSPECIFIED
Date:October 2016
Journal or Publication Title:Chemical Engineering and Technology
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:39
DOI :10.1002/ceat.201600198
Page Range:pp. 2042-2050
Publisher:Wiley
ISSN:0930-7516
Status:Published
Keywords:CO2-Reduktion Gasdiffusionselektrode Ameisensäure
HGF - Research field:Energy
HGF - Program:Storage and Cross-linked Infrastructures
HGF - Program Themes:Electrochemical Energy Storage
DLR - Research area:Energy
DLR - Program:E EV - Energy process technology
DLR - Research theme (Project):E - Electrochemical Processes (Batteries) (old)
Location: Stuttgart
Institutes and Institutions:Institute of Engineering Thermodynamics > Electrochemical Energy Technology
Deposited By: Wagner, Dr.rer.nat. Norbert
Deposited On:12 Dec 2016 13:55
Last Modified:06 Sep 2019 15:22

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